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. 2021 Feb 28;11(3):e043432. doi: 10.1136/bmjopen-2020-043432

Figure 4.

Figure 4

Subgroup analysis for the relationship between the FEV1/FVC ratio and the risk of incident CKD. Adjusted beta and 95% CI were analysed using Cox proportional hazards regression analysis. All covariates of model two shown in table 2 were used to adjustment. BMI, body mass index; CKD, chronic kidney disease; CRP, C reactive protein; eGFR, estimated glomerular filtration rate; FEV1, forced expiratory volume in 1 s; FVC, functional vital capacity; MetS, metabolic syndrome; WCC, white cell count.